145621514734301 has 2 divisors, whose sum is σ = 145621514734302. Its totient is φ = 145621514734300.

The previous prime is 145621514734291. The next prime is 145621514734331. The reversal of 145621514734301 is 103437415126541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126775236821401 + 18846277912900 = 11259451^2 + 4341230^2 .

It is a cyclic number.

It is not a de Polignac number, because 145621514734301 - 2⁴² = 141223468223197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145621514734331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72810757367150 + 72810757367151.

It is an arithmetic number, because the mean of its divisors is an integer number (72810757367151).

Almost surely, 2^{145621514734301} is an apocalyptic number.

It is an amenable number.

145621514734301 is a deficient number, since it is larger than the sum of its proper divisors (1).

145621514734301 is an equidigital number, since it uses as much as digits as its factorization.

145621514734301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 145621514734301 in words is "one hundred forty-five trillion, six hundred twenty-one billion, five hundred fourteen million, seven hundred thirty-four thousand, three hundred one".